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58639 (1997 WZ17)
Classification: Main-belt Asteroid          SPK-ID: 2058639
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2365744460668218 3.3044e-08  
a 2.603146489076938 1.3499e-08 au
q 1.987308550392769 8.4755e-08 au
i 11.48508509876081 9.4188e-06 deg
node 29.61661709223226 2.3222e-05 deg
peri 100.2628376085947 3.3309e-05 deg
M 120.1928929598044 2.2709e-05 deg
tp 2458688.319986904996
(2019-Jul-23.81998690)
9.5058e-05 TDB
period 1534.07410516248
4.20
1.1932e-05
3.267e-08
d
yr
n .2346692371564872 1.8253e-09 deg/d
Q 3.218984427761106 1.6692e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      12530 days (34.31 yr)  
   first obs. used      1986-03-04  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57526  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:31:20  

Additional Information
 Earth MOID = 1.03855 au 
 Jupiter MOID = 1.95365 au 
 T_jup = 3.346 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO468486  
diameter diameter 3.192 km 0.753 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.091   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

58639 (1997 WZ17)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WZ17 = 2001 SM231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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